KR20110009808U - . A Grinding Wheel For Concrete Floor Adhered Epoxy Resin - Google Patents

Abstract

The present invention relates to a polishing wheel that is used as a polishing wheel for removing the bottom structure consisting of a structure in which the epoxy resin-based and urethane resin-based flooring material is coated or adhered onto the concrete layer at the same time as one polishing wheel. . The polishing wheel for a rotating machine for the above is composed of a polishing wheel 100 and a polishing segment 102, which is firmly fixed with bolts to facilitate interchangeability, and more particularly, integral with the polishing segment 102. The welding tip is welded by the first grinding part 3 and the second polishing part 4 is characterized in that the welded.
By using the grinding wheel according to the present invention as described above, a surface layer made of epoxy or urethane resin, which is a polymer compound forming a bottom surface layer, is formed at the front of the polishing segment 2 as it is rotated at a high speed while being mounted on a rotary machine. Polishing with a diamond sintered body (PCD), the first abrasive part 3 located, and polishing the surface of the concrete or structure under the epoxy or urethane resin system, the second abrasive part consisting of the abrasive tip of diamond abrasive grains containing diamond abrasive grains A polishing wheel having a composite structure designed to be polished by (104), wherein the polishing wheel is mounted once using the above-described polishing wheel, and the polishing of the concrete floor layer that appears at the same time as the polishing of the surface layer epoxy or urethane resin is performed at once. Finishing with work is very effective in terms of productivity and economics.

Description

Polishing wheels for simultaneously polishing concrete floors bonded with epoxy resin. {A Grinding Wheel For Concrete Floor Adhered Epoxy Resin}

The present invention relates to a polishing wheel for use in polishing for removing a floor structure consisting of a structure in which the epoxy resin-based and urethane resin-based floorings are coated or bonded onto a concrete layer. As it rotates at a high speed in a state, the surface layer made of epoxy or urethane resin, which is a polymer compound forming the bottom surface layer, is polished in the polishing part made of diamond sintered body, which is the first polishing part located in front of the polishing segment, and made of epoxy or urethane resin. A composite wheel designed to polish the surface of uneven concrete or a structure located below the surface layer to polish the second abrasive portion containing diamond abrasive grains, wherein the surface layer is the surface layer of the polishing wheel once mounted using the designed polishing wheel. I urethane At the same time, the polishing of the boundary can be finished as the irregular surface of the concrete layer that appears as the polishing is very effective from the viewpoint of productivity and economy.

The floor structure of a large mart that buys a lot of items is usually coated or bonded with epoxy resin based paint having excellent adhesion, abrasion resistance, or chemical resistance to a concrete surface. And most of the floor structure of a gas station or parking lot building is a structure in which a urethane resin-based material having excellent sound absorbing, insulating, or cushioning function is coated or bonded on a concrete surface. As a result, the grinding wheels required for surface removal work are very important to the work efficiency.

Thus, the conventional method for removing the floor structure consisting of a structure in which the flooring material is coated or bonded with epoxy or urethane resin on the concrete layer is first used for polishing to remove epoxy or urethane. The process of removing the epoxy or urethane resin system which forms the bottom surface first using the cup-shaped grinding wheel (FIG. 5) with 12 blades from a blade is performed.

There is no problem when removing the epoxy that forms the floor surface layer, but in the case where the bumpy concrete layer is derived, there is a risk that the broken tip fragments due to the cracking of the diamond sintered compact (PCD) tip, which is the abrasive part of the abrasive wheel, with the concrete and easily broken. In addition to the short lifespan of the polishing tip, the economical cost of replacing the polishing wheel frequently is not only large, but additional concrete surface polishing equipment and the polishing wheel are additionally used to finish the concrete surface layer.

As such, the conventional concrete surface polishing uses a disk-shaped polishing wheel (Fig. 6) containing diamond abrasive grains to finish the concrete surface. At this time, due to the clogging phenomenon of the polishing disk polishing wheel due to the epoxy or urethane component remaining on the concrete surface, there is a problem that the work efficiency is much lower and the additional cost is generated due to the work efficiency being reduced.

The present invention is designed to solve the problems of the prior art as described above, the bottom surface of the epoxy resin and urethane resin-based on the surface of the concrete or structure is a double or triple structure consisting of a structure coated or bonded on the concrete layer The bottom layer was first removed from the first polishing portion where the PCD tip was formed by using an abrasive wheel manufactured by the present invention, and the exposed concrete layer surface was formed with a polishing tip containing diamond abrasive grains. The purpose is to finish the second polishing part by polishing the concrete layer at the same time.

To achieve the above object, the polishing wheel capable of simultaneously polishing the concrete floor to which the epoxy resin system of the present invention is bonded is welded onto the polishing segment in the form of a square bar in which the first polishing portion and the second polishing portion are welded. have.

In the present invention, two square bar-shaped tips are formed on the polishing segment. Three types of the abrasive segments of this type are formed in one disc polishing wheel and are designed to be easily detachable since they can be fastened with bolts.

The square bar-shaped tip structure forming a polishing wheel having three polishing segments attached to one polishing wheel is a diamond sintered body (PCD) where the first polishing portion where the polishing segment first encounters the epoxy resin system in the front of the rotation direction is a diamond sintered body. And a second polishing portion formed behind the first polishing portion is a polishing wheel having a composite structure, wherein the second polishing portion is formed integrally welded with a polishing tip containing diamond abrasive grains.

As described above, the polishing wheel of the present invention is a tool for simultaneously polishing the concrete floor to which the epoxy resin is bonded to the concrete floor surface. The polishing wheel is a single-mounted polishing wheel that appears irregularly at the same time as the polishing of the surface layer of epoxy or urethane resin. Since the surface finishing of the concrete layer can be finished together, there is an advantage in terms of productivity and economy.

In addition, even if the work process is rotated by a high-speed rotating machine, the first polishing part and the second polishing part are joined together by strong welding, thereby forming an integrated structure, thereby acting as a more stable structure, and eventually having the overall rigidity of the polishing tip. In addition, the PCD tip generated when polishing an epoxy or urethane with a conventional cup wheel consisting only of the first polishing part is broken or the clogging phenomenon of the polishing disk polishing wheel of the existing polishing tip consisting only of the second polishing part is reduced. Can be achieved.

1 is a perspective view showing a polishing wheel of the present invention
2 is a perspective view showing a polishing segment of the present invention
3 is a polishing segment photograph according to an embodiment of the present invention
4 is a perspective view showing a polishing segment according to an embodiment of the present invention
5 is a perspective view of a cup wheel with a PCD tip attached to the prior art;
6 is a perspective view of a polishing disk abrasive wheel with a polishing tip attached to the prior art;

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a polishing wheel according to the present invention will be described in detail.

1 is a perspective view of a polishing wheel according to an embodiment of the present invention, Figure 2 is a perspective view showing a polishing segment of the polishing wheel shown in FIG. 3 is a photograph of the polishing segment illustrated in FIG. 2 as in one embodiment. 4 is a perspective view showing a round bar shape deformed from a rectangular bar shape as another embodiment, FIG. 5 is a perspective view of a cup wheel having a PCD tip attached to the prior art, and FIG. A perspective view of a polishing disc polishing wheel with a polishing tip belonging to the prior art.

As shown in FIGS. 1 and 2, the polishing wheel 100 is bolted to the bolt fastening portion 105 with the polishing segment 102 on top of the steel sheet 101 based on the circular steel sheet 101. It is designed and installed to be easily detachable, and three of the sector-shaped polishing segments 102 are fixed to the bolt fastening portion 105 by bolts to the circular steel sheet 101. In addition, the three polishing segments 102 may be fastened with bolts to protrude upward from the polishing wheel 100 on the steel plate 101.

Hereinafter, the polishing wheel configured as described above will be described in detail.

As shown in FIGS. 1 and 2, the polishing segment 102 constituting the polishing wheel 100 having a structure in which three polishing segments 102 are attached to one polishing wheel 100 is disposed on the steel plate 101. The first polishing portion 103 is formed in the shape of a fan-shaped polishing segment 102 with rounded corners in the direction of rotation in the front of the rotation direction, and the first polishing portion is super-high temperature on the cemented carbide (WC) substrate. It is composed of a diamond sintered body (PCD) synthesized under high pressure conditions, and the second polishing portion 104 is welded in the form of a square bar behind the first polishing portion 103.

Here, it is preferable that the first polishing part 103 and the second polishing part 104 are integrally formed in a welded square bar shape.

Figure 4 is a photograph produced by the process according to an embodiment of the present invention the abrasive segment 102 configured as described above.

5 and 6 show that the polishing segment 102 is mounted in a high-speed rotating machine, and the flooring material is used in a conventional technique and method for removing a floor structure having a structure in which a floor material is coated or bonded with epoxy or urethane resin on a concrete layer. As an example

FIG. 5 is a structure of a general cup type 200 in which a diamond sintered compact (PCD) tip 201 having high hardness is attached to 8 to 12 blades for polishing to remove epoxy or urethane from a flooring surface. It is used in the process of first removing the epoxy or urethane resin forming the bottom surface.

FIG. 6 is a structure of a polishing disc polishing wheel (FIG. 6) containing diamond abrasive grains used for polishing concrete surfaces, and used when finishing a concrete floor surface.

100: polishing wheel
101: steel plate
102: polishing segment
103: first polishing part (PCD tip)
104: second abrasive portion (abrasive tip containing diamond abrasive grains)
105: bolt connection part
200: cup wheel
201: PCD Tips
202: shank
300: polishing disc
301: abrasive tips containing diamond abrasive
302: shank

Claims (2)

In the structure in which the polishing wheel 100 has a polishing wheel having a structure in which the polishing segment 102 is fastened by three bolts, the configuration of the polishing segment 102 includes a first polishing part 103 that first meets in the front of the rotation direction. Comprising a diamond sintered body (PCD), the second polishing portion 4 behind the first polishing portion is a polishing of a composite structure, characterized in that the abrasive tip containing the diamond abrasive grains are formed integrally welded together in succession Wheel.
The first polishing part constituting the polishing wheel is a diamond sintered body (PCD), which is composed of a diamond sintered body synthesized under ultra-high pressure on a cemented carbide substrate of a type that is generally produced, ranging from size 1 to 30 microns. And the second polishing portion comprises an abrasive tip containing abrasive grains in a diamond powder state (ranging from size 10 mesh to 100 mesh). The method of claim 1,
The shape of the second polishing portion welded to the first polishing portion is integral with a square bar or a circular bar shape for improving abrasion resistance.

Images